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what is the orbital radius of a 300 kg satellite that completes one circular orbit around the earth every 3.6hr?
a grain retailer puts a 100kg lead block under the platform of his scale. by how much does this increase the reading of the scale when 50 kg sack of rice is on the top of its platform, if the distance between their centers are .03 m apart
a certain liquid has a specific gravity of 0.92 and you bought 1 liter (0.001 m^3) of this liquid. what is the density of this liquid?
what is the mass of the liquid that you have?
if the liquid is mixed with water, will the material settle at the top or at the bottom? why? what is the liquid that you bought?
your grandmother gave you a gold ring as a gift. the gold ring is 5mm thick and has an outside diameter of 12mm and an inside diameter of 11mm. the density of gold is 1.93 x 10^4 kg m^3. what is the volume of the ring in cubic millimeter? what is the mass of the ring in grams? what is the market value of the ring if the price of gold is P1836.15 per gram? what is the volume of the ring in m^3? what is the mass of the ring in kg?
A point charge of +3.5 μC is placed 0.800 m to the left of the second, identical point charge.
What is the magnitudes and directions of forces that each charge exerts on the other?
A cyclist rides 3 km west and then turns around and rides 2 km east.
(a) Draw the FBD for this motion (Assume east to be positive and west to be
negative).
(b) What is her displacement?
(c) What distance does she ride?
(d) What is the magnitude of her displacement?
On top of a spiral spring of force constant 500Nm-1 is placed a mass of 5*10kg. If the spring is compressed downwards by the length of 0.02m and then released. Calculate the height of which the Mass is projected
a 400-g ball is released from rest at a hieght of 10m. ignoring air resistance, determine the GPE, KE, and total mechanical energy at each of the following heights: 10m, 7.5m, 5m and 2.5m
A 2kg block at rest is acted upon by a constant force of 20N for 4 seconds. Find the final velocity of the block. Show complete solutions.
A 2kg block at rest is acted upon by a constant force of 20N for 4 seconds. What momentum is required by the block ?
#339914 on Dec 2023